<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 表单区域 -->
      <el-form class="form" ref="loginFromRef" :model="loginForm" :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btn">
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="resetForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data: function () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登陆用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入登陆用户名', trigger: 'blur' },
          { min: 3, max: 15, message: '长度在 3 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetForm: function () {
      this.$refs.loginFromRef.resetFields()
    },
    login: function () {
      this.$refs.loginFromRef.validate(async valid => {
        if (!valid) return false
        const { data } = await this.$http.post('login', this.loginForm)
        if (data.meta.status !== 200) return this.$message.error('登陆失败')
        window.sessionStorage.setItem('token', data.data.token)
        this.$message.success('登陆成功')
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background: #ffffff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    padding: 10px;
    border: 1px solid #eeeeee;
    box-shadow: 0 0 10px #eeeeee;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #ffffff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eeeeee;
    }
  }
  .form{
    position: absolute;
    bottom: 0px;
    width: 100%;
    padding: 0px 20px;
    box-sizing: border-box;
    .btn{
      display: flex;
      justify-content: flex-end;
    }
  }
}
</style>
